2,4'-Dimethylpropiophenone Fragrance Stability
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Solution Overview
Problem
The perfume industry lacks fragrances with enhanced stability, adhesion, and sensory profiles, particularly those with floral, rosy, rose oxide-like, and herbal-like notes, which are suitable for use in aggressive media and can optimize fragrance formulations by minimizing ingredient amounts and improving resource conservation.
Innovation Solution
The use of 2,4'-dimethylpropiophenone as a fragrance in compositions to impart, modify, or enhance floral, rosy, rose oxide-like, and herbal-like odor notes, offering improved stability and synergy with other fragrances, and its application in fougere and rose-type fragrance themes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If existing fragrances are used in fragrance compositions, then a certain olfactory effect is achieved, but the stability under aggressive media conditions and adhesion properties are insufficient
Solution Approach 1:
The patent applies parameter changes by introducing 2,4'-dimethylpropiophenone with specific molecular parameters (ketone functional group, aromatic structure) that provide enhanced stability under aggressive media conditions while maintaining desirable olfactory properties. This chemical parameter change resolves the contradiction between stability and sensory quality.
Solution Approach 2:
The patent creates a composite fragrance composition by combining 2,4'-dimethylpropiophenone with other fragrance ingredients. This composite approach allows the ketone to provide stability and adhesion enhancement while other components contribute to the overall sensory profile, thus resolving the contradiction between reliability and adaptability.
2Adaptability or versatility
If higher amounts of fragrances are used to improve sensory profile, then olfactory effect is enhanced, but resource conservation is reduced
Solution Approach 1:
The patent changes the quality parameter of the fragrance by introducing 2,4'-dimethylpropiophenone, which provides enhanced substantivity and retention properties. This allows achieving the desired sensory profile with lower amounts of fragrance material, thus improving resource conservation while maintaining olfactory effect.
Solution Approach 2:
The patent effectively replaces the need for large quantities of short-lived fragrance molecules by introducing 2,4'-dimethylpropiophenone, which has extended persistence on substrates. This substitution reduces overall resource consumption while maintaining the desired sensory effect over time.
3Duration of action of stationary object
If fragrance compositions are optimized for stability, then retention on substrates is improved, but the complexity of formulation increases
Solution Approach 1:
The patent extracts and isolates the specific function of enhancing stability and retention by introducing 2,4'-dimethylpropiophenone as a dedicated ingredient. This separates the stability-enhancing function from other fragrance components, simplifying the overall formulation approach while achieving improved retention on substrates.
Data Source
AI summary
Use of 2,4'-dimethyl-propiophenone (I) as perfume, is claimed. Independent claims are included for: (1) a perfume composition comprising (I) and one or more further perfume materials, where the weight ratio of the total amount of (I) to the total amount of further perfume materials is 1:1000 to 1:0.5, preferably 1:500-1:10; (2) a perfumed article comprising the perfume composition, where the article is perfume-extracts, eau de perfume, eau de toilette, after-shave agent, eau de colognes, pre-shave-product, splash-colognes, perfumed refreshing tissue, perfumes for acid, alkaline and neutral cleaning agent, washing agent, washing tablets, disinfection agent, deodorizer, aerosol spray, wax and polish, body care agent, bath oils, cosmetic emulsions, hair care products, deodorants and antiperspirants, products of the decorative cosmetics and of candles, lamp oils, incense stick, insecticide, repellent and propellant; and (3) a procedure for producing the perfume composition, comprising mixing (I) with the further perfume material and optionally further components of the perfume composition.